Telephone numbers in Mexico are regulated by the Federal Telecommunications Institute, an independent government agency of Mexico. The agency published the Fundamental Technical Plan for Numbering (Plan Técnico Fundamental de Numeración) on May 11, 2013.[1] The plan establishes a uniform ten-digit telephone number format. It took effect on August 3, 2019.[2]
^"AGREEMENT whereby the Plenary of the Federal Institute of Telecommunications modifies the Fundamental Technical Plans for Numbering and Signaling, as well as what refers to the Number Portability Rules". DIaro Official de la Federación. SEGOB. 2018-05-11. Retrieved 2022-12-14.
^"El Pleno del IFT aprobó los índices y parámetros de calidad del servicio móvil y aprobó los nuevos Planes de Numeración y Señalización (Comunicado 149/2017)". Instituto Federal de Telecomunicationes. IFT. Retrieved 2022-12-14.
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